I know this is a really old post but came across it while researching the same units. I ended up finding a US based company that was able to do all of the RAM and EEprom programming. I also needed the battery replaced and they were able to come to our facility and replace the battery in the unit and also make a backup copy of the RAM on my unit then provide me with a EEprom in case i ever lost my program. If you still are needing help with these units contact Artisan Technology Group. www.artisantg.com